#app2 {
}
#app2 .tab-bar{
  display: flex;
}
#app2 .tab-bar li{
  flex: 1;
  border: 1px solid #ccc;
}
#app2 .tab-bar li.selected{
  background-color: #464f85;
  color: #fff;
}
#app2 .tab-content > li{
  display: none;
}
#app2 .tab-content > li.active{
  display: block;
}